P

Inventor

INOUE AKIYOSHI

JP34 patents
⚠️ This page may combine multiple inventors who share the name “INOUE AKIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIONEER ELECTRONIC CORP

13 patents
US5818807AOct 6, 1998

Optical medium having a test recording area and method for recording test data thereon

PIONEER ELECTRONIC CORP53 citations96
US6307824B1Oct 23, 2001

Dye record medium, record disc producing apparatus, and information recording/reproducing apparatus

PIONEER ELECTRONIC CORP29 citations93
US6028834AFeb 22, 2000

Method for recording test data on recording medium

PIONEER ELECTRONIC CORP22 citations93
US5768232AJun 16, 1998

Information reproducing apparatus for optical disc

PIONEER ELECTRONIC CORP17 citations93
US5926453AJul 20, 1999

Optical disk having first and second recording areas with wobble frequencies that do not interfere with EFM signal

PIONEER ELECTRONIC CORP41 citations92
US5901123AMay 4, 1999

Method and apparatus for recording information, including control information, onto an information record medium

PIONEER ELECTRONIC CORP17 citations92
US5592463AJan 7, 1997

Apparatus for and method for determining optimum power for recording information on recordable optical disc

PIONEER ELECTRONIC CORP40 citations92
US5550799AAug 27, 1996

Device for and method of calibrating optimum recording power for recordable optical disc recording apparatus

PIONEER ELECTRONIC CORP31 citations92
US5708636AJan 13, 1998

Tracking error signal generation device

PIONEER ELECTRONIC CORP41 citations91
US6587424B2Jul 1, 2003

Dye recording medium having read-only area and recordable area

PIONEER ELECTRONIC CORP15 citations84
US5675564AOct 7, 1997

Information reproducing apparatus for optical disc having a tilt detector therein

PIONEER ELECTRONIC CORP9 citations74
US4424542AJan 3, 1984

Magnetic head and method of producing same

PIONEER ELECTRONIC CORP6 citations57
US6233220B1May 15, 2001

Disc cartridge having variable gap

PIONEER ELECTRONIC CORP0 citations52

SONY CORP

6 patents

KINYOSHA KK

5 patents

PIONEER DISPLAY PROD CORP

3 patents

PIONEER CORP

3 patents

FUJI XEROX CO LTD

2 patents

MITSUBISHI OIL CO

1 patent

NIPPON STEEL CORP

1 patent